1440213323323 has 2 divisors, whose sum is σ = 1440213323324. Its totient is φ = 1440213323322.

The previous prime is 1440213323299. The next prime is 1440213323357. The reversal of 1440213323323 is 3233233120441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440213323323 - 2³³ = 1431623388731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1440213323723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720106661661 + 720106661662.

It is an arithmetic number, because the mean of its divisors is an integer number (720106661662).

Almost surely, 2^{1440213323323} is an apocalyptic number.

1440213323323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440213323323 is an equidigital number, since it uses as much as digits as its factorization.

1440213323323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 1440213323323 its reverse (3233233120441), we get a palindrome (4673446443764).

The spelling of 1440213323323 in words is "one trillion, four hundred forty billion, two hundred thirteen million, three hundred twenty-three thousand, three hundred twenty-three".